diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_mt9m111.c | 60 | ||||
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_mt9m111.h | 1 |
2 files changed, 57 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c index 37a7fc82a53..c1ff4770e3a 100644 --- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c @@ -28,7 +28,8 @@ static int mt9m111_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val); static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val); - +static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val); +static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val); static struct v4l2_pix_format mt9m111_modes[] = { { @@ -100,7 +101,23 @@ const static struct ctrl mt9m111_ctrls[] = { }, .set = mt9m111_set_auto_white_balance, .get = mt9m111_get_auto_white_balance - } + }, +#define GREEN_BALANCE_IDX 4 + { + { + .id = M5602_V4L2_CID_GREEN_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "green balance", + .minimum = 0x00, + .maximum = 0x7ff, + .step = 0x1, + .default_value = MT9M111_GREEN_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = mt9m111_set_green_balance, + .get = mt9m111_get_green_balance + }, + }; static void mt9m111_dump_registers(struct sd *sd); @@ -197,9 +214,12 @@ int mt9m111_init(struct sd *sd) if (err < 0) return err; - err = mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); + err = mt9m111_set_green_balance(&sd->gspca_dev, + sensor_settings[GREEN_BALANCE_IDX]); + if (err < 0) + return err; - return err; + return mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); } void mt9m111_disconnect(struct sd *sd) @@ -364,6 +384,38 @@ static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) return err; } +static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + sensor_settings[GREEN_BALANCE_IDX] = val; + data[0] = (val & 0xff); + data[1] = (val & 0xff00) >> 8; + + PDEBUG(D_V4L2, "Set green balance %d", val); + err = m5602_write_sensor(sd, MT9M111_SC_GREEN_1_GAIN, + data, 2); + if (err < 0) + return err; + + return m5602_write_sensor(sd, MT9M111_SC_GREEN_2_GAIN, + data, 2); +} + +static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[GREEN_BALANCE_IDX]; + PDEBUG(D_V4L2, "Read green balance %d", *val); + return 0; +} + + static void mt9m111_dump_registers(struct sd *sd) { u8 address, value[2] = {0x00, 0x00}; diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h index d0fe02ceabb..2d39e12d642 100644 --- a/drivers/media/video/gspca/m5602/m5602_mt9m111.h +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h @@ -93,6 +93,7 @@ #define INITIAL_MAX_GAIN 64 #define DEFAULT_GAIN 283 +#define MT9M111_GREEN_GAIN_DEFAULT 0x20 /*****************************************************************************/ |